92 Menu Guide❚❚ Live ViewChoose the role played by the Fn button,either by itself (Press) or when used incombination with the command dials(Press + command dials).❚❚ PressSelecting Press displays the following options:Option Role assigned to J buttonJ Select centerfocus pointPressing the J button in live view selects thecenter focus point.p Zoom on/offPress the J button to toggle zoom on and off.Choose the initial zoom setting from Lowmagnification (50%), 1 : 1 (100%), and Highmagnification (200%). The zoom display willcenter on the active focus point.None Pressing the J button has no effect in live view.f2: Assign Fn ButtonG button ➜ A Custom Settings menuOption Descriptionq Preview During viewfinder photography, you can previewdepth of field while the Fn button is pressed.r FV lockPress the Fn button to lock flash value (built-inflash and compatible optional flash units only).Press again to cancel FV lock.B AE/AF lock Focus and exposure lock while the Fn button ispressed.